<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>移动零到尾部</title>
</head>

<body>
  <script>
    function moveZeroes(arr) {
      for (let i = arr.length - 1; i >= 0; i--) {
        if (arr[i] === 0) {
          arr.splice(i, 1);
          arr.push(0);
        }
      }
      return arr
    }
    console.log(moveZeroes([0, 1, 0, 3, 12]))
  </script>
</body>

</html>